Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events Subsequent Events (Details)

v3.10.0.1
Subsequent Events Subsequent Events (Details) - USD ($)
$ in Thousands
9 Months Ended
Nov. 06, 2018
Nov. 05, 2018
Oct. 22, 2018
Jul. 15, 2018
Sep. 30, 2018
Nov. 07, 2018
Sep. 27, 2018
May 14, 2018
May 03, 2018
Dec. 31, 2017
Subsequent Event [Line Items]                    
Loans payable, net         $ 354,093         $ 307,375
Revere Loan                    
Subsequent Event [Line Items]                    
Debt instrument, exit fees             $ 75 $ 500 $ 360  
Debt instrument, interest rate. stated percentage       10.00% 9.00%     9.00% 8.00%  
Debt instrument, one-time paydown       $ 500            
Loans payable, net       $ 3,500 $ 1,758     $ 3,500 $ 6,810 $ 6,808
Disposal Group, Disposed of by Sale, Not Discontinued Operations                    
Subsequent Event [Line Items]                    
Contract Price         9,833          
Gain on sale of properties         3,215          
Net proceeds on sale of properties         $ 5,978          
Subsequent Event | Revere Loan                    
Subsequent Event [Line Items]                    
Debt instrument, exit fees   $ 575                
Debt instrument, interest rate. stated percentage   10.00%                
Debt instrument, one-time paydown   $ 100                
Loans payable, net           $ 1,260        
Subsequent Event | Line of Credit | First National Bank                    
Subsequent Event [Line Items]                    
Line of credit facility, extension period 24 months                  
Subsequent Event | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Monarch Bank Building                    
Subsequent Event [Line Items]                    
Contract Price     $ 1,750              
Gain on sale of properties     152              
Net proceeds on sale of properties     $ 299